tree 0cefdb15315d7269494d5a18487c3e16a2e50884
parent 1504408a3591f5dad8f9bdd85f198f455a5f28fc
author khen <knursimu@ciena.com> 1475691325 -0700
committer khen <knursimu@ciena.com> 1475691325 -0700

This commit consists of:
1) Provide a kafka client to publish events to kafka brokers
2) Provide zookeeper and kafka docker containers for local testing,
   will not be present in production
3) Sends a regular heartbeat to the kafka broker from voltha to
   exercise all the components
4) Provides a basic kafka consumeri (requires kafka-python to be
   installed)  to read the messages off the local kafka broker -
   this time it is only heartbeat messages